2 курс. Программирование на C++. Турнир 2, осень 2021

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5700728

Пользователь

Пиляй Николай Владимирович

Время

22:02<< 05.11.2021 22:03 (16 д. 20:03) 22:04>>

Обработка

22:03 ... 22:03 (2,43 сек.)

Файл

5700728.cpp (CLang++ 5.0.0 + Address Sanitizer)

Турнир

2 курс. Программирование на C++. Турнир 2, осень 2021

Задача

A: Набор фигур

Набор тестов

Ограничения

Время: 1с Память: 4096Мб

Состояние [?]

CE	Ошибка компиляции

код | результаты

In file included from main.cpp:17:0:
figure.h: In function 'std::shared_ptr<Figure> CreateFigure(std::istringstream&)':
figure.h:74:17: error: comparison with string literal results in unspecified behavior [-Werror=address]
 if (figure_t == "RECT") {
                 ^~~~~~
figure.h:78:17: error: comparison with string literal results in unspecified behavior [-Werror=address]
 if (figure_t == "TRIANGLE") {
                 ^~~~~~~~~~
figure.h:82:17: error: comparison with string literal results in unspecified behavior [-Werror=address]
 if (figure_t == "CIRCLE") {
                 ^~~~~~~~
figure.h:86:1: error: control reaches end of non-void function [-Werror=return-type]
 }
 ^
figure.h:73:4: error: 'figure_t' is used uninitialized in this function [-Werror=uninitialized]
 is >> figure_t;
 ~~~^~~~~~~~~~~
cc1plus: all warnings being treated as errors

[печатать | | ]

≡

#pragma once
#include <memory>
#include <cmath>
#include <string>

class Figure {
 public:
virtual std::string Name() = 0;
virtual double Perimeter() = 0;
virtual double Area() = 0;
};

class Triangle: public Figure {
 public:
double per, area;
Triangle(double a, double b, double c) {
per = a + b + c;
double ger = per / 2;
area = sqrt(ger * (ger - a) * (ger - b) * (ger - c));
}
std::string Name() {
return "TRIANGLE";
}
double Perimeter() {
return per;
}
double Area() {
return area;
}
};

class Rect: public Figure {
 public:
double per, area;
Rect(double width, double height) {
per = 2 * (width + height);
area = width * height;
}
std::string Name() {
return "RECT";
}
double Perimeter() {
return per;
}
double Area() {
return area;
}
};

class Circle: public Figure {
 public:
double per, area;
const double pi = 3.14;
Circle(double r) {
per = 2 * pi * r;
area = pi * pow(r, 2);
}
std::string Name() {
return "CIRCLE";
}
double Perimeter() {
return per;
}
double Area() {
return area;
}
};

std::shared_ptr<Figure> CreateFigure(std::istringstream &is) {
using std::make_shared;
char* figure_t;
int64_t a, b, c;
is >> figure_t;
if (figure_t == "RECT") {
is >> a >> b;
return make_shared<Rect>(a, b);
}
if (figure_t == "TRIANGLE") {
is >> a >> b >> c;
return make_shared<Triangle>(a, b, c);
}
if (figure_t == "CIRCLE") {
is >> a;
return make_shared<Circle>(a);
}
}

(1 456 b)

0.128s 0.014s 10